LBZ: C0055

elliottw

Member
Jan 23, 2013
390
3
13
ND
Hey guys pulled a rear wheel speed sensor code, C0055 on my 07. While driving there is no reading from the sensor, can anyone point me in the direction of some schematics? Pulled the sensor, looked fine no damage or metal on it. Any help appreciated. Thanks.
 

fc8464

Member
Jun 26, 2012
71
0
6
Fairbanks, Alaska
I find a lot of problems behind the drivers front wheel well. Remove it and inspect the harnesses. The rear speed sensor on trucks with Allisons go straight to the TCM not the EBCM. Fred
 

elliottw

Member
Jan 23, 2013
390
3
13
ND
I've searched behind the front wheel well twice, couldn't locate any chafing or anything. I'll check closer to the tcase on the frame tonight. It seems to be a wiring issue for sure, once in a while when I hit a larger bump the lights will go off for a split second then come back on.
 

elliottw

Member
Jan 23, 2013
390
3
13
ND
Found the culprit. Mice chewed up the wires underneath the fuse box. Miracle I didn't have more noticeable problems I counted about 5 wires that had been damaged. Soldered and replaced sections and the speed sensor is reading great. Thanks for the help.